1. Home
  2. Directory
  3. Massachusetts
  4. Danvers
  5. Internal Medicine
  6. NPI Profile

STEVEN LAURENCE KEENHOLTZ M.D.
NPI 1841219599
Internal Medicine - Infectious Disease in Danvers, MA

Active since July 19, 2006
140 COMMONWEALTH AVE, STE 104, DANVERS, MA 01923(978) 777-6544(978) 774-2091 Get Directions Write a Review

NPPES record last updated: November 14, 2014. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Steven Laurence Keenholtz M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

STEVEN LAURENCE KEENHOLTZ M.D. (NPI 1841219599) is an individual infectious disease provider in Danvers, Massachusetts, licensed in Massachusetts (45872) and active in the NPI registry since July 2006.

NPPES Registry Identity

NPI1841219599
Entity TypeIndividualMale
Primary Taxonomy207RI0200X
Provider Legal NameSTEVEN LAURENCE KEENHOLTZCredential: M.D.
Location Address140 COMMONWEALTH AVE, STE 104Danvers, MA 01923-3629
Mailing Address140 Commonwealth Ave, Ste 104Danvers, MA 01923-3629 · (978) 777-6544 · Fax (978) 774-2091
Phone(978) 777-6544
Fax(978) 774-2091
Sole ProprietorNo
Enumeration DateJuly 19, 2006
Last NPPES UpdateNovember 14, 2014
✔ NPI 1841219599 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Infectious DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RI0200X
License✔ Licensed in MA · 45872
Definition
An internist who deals with infectious diseases of all types and in all organ systems. Conditions requiring selective use of antibiotics call for this special skill. This physician often diagnoses and treats AIDS patients and patients with fevers which have not been explained. Infectious disease specialists may also have expertise in preventive medicine and travel medicine.
140 COMMONWEALTH AVE, Danvers, MA 01923
Open in Google Maps ↗

Other Identifiers 4

Medicare ID-Type UnspecifiedE05387MA
Medicaid0122866MA
Medicare PINE05387MA
Medicare UPINA54724MA

Other Providers at the Same Location NPPES 16

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MICHAEL J AARONSON MDPC
Specialist
140 COMMONWEALTH AVE
DANVERS, MA 01923
Essex County (978) 774-9950
DR. DINO CROGNALE MD
Family Medicine
140 COMMONWEALTH AVE, SUITE 202
DANVERS, MA 01923
Essex County (978) 762-6262
LISA MARIE JORDAN PA
Physician Assistant
140 COMMONWEALTH AVE, STE 104
DANVERS, MA 01923
Essex County (978) 777-6544
MRS. MARGARET M VARGAS LICSW
Counselor (Professional)
140 COMMONWEALTH AVE, CATHOLIC CHARITIES
DANVERS, MA 01923
Essex County (978) 774-6820
ANTHONY R CONTI DO
Family Medicine
140 COMMONWEALTH AVE, STE 104
DANVERS, MA 01923
Essex County (978) 774-2119
PHYLLIS JEANNE CAFFARELLA FNP
Nurse Practitioner
140 COMMONWEALTH AVE
DANVERS, MA 01923
Essex County (978) 777-6544
NINA LAPINE NP
Nurse Practitioner
140 COMMONWEALTH AVE, SUITE 105
DANVERS, MA 01923
Essex County (978) 762-0641
MRS. ROCHELLE NAZARIAN NP
Nurse Practitioner (Family)
140 COMMONWEALTH AVE, STE 202
DANVERS, MA 01923
Essex County (978) 762-6262

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Steven Keenholtz's NPI number?

The NPI number for Steven Keenholtz is 1841219599. It was assigned to this individual provider in the NPPES registry on July 19, 2006.

Where is Steven Keenholtz located?

Steven Keenholtz practices at 140 Commonwealth Ave Ste 104, Danvers, MA 01923. The listed phone number is (978) 777-6544.

What is Steven Keenholtz's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.

When was this NPI record last updated?

The NPPES record for Steven Keenholtz was last updated on November 14, 2014. NPI Profile syncs with the weekly NPPES data releases published by CMS.